| Player | Title | Registered | Last Seen |
|---|---|---|---|
| Omhi | Beta Tester | 1 year ago | A long time ago |
| ONION | Alpha Tester | 8 years ago | A long time ago |
| OptimusPrime | Alpha Tester | 10 years ago | 1 month ago |
| OriginalFlvr | Alpha Tester | 9 years ago | A long time ago |
| Ovalos | VBMC2023 Participant | 2 years ago | A long time ago |
| Overkill328 | Beta Tester | 1 year ago | A long time ago |